1800s and onwards farm implements?

[Sandskimmer]

1800's and onwards farm implements?

Found these on the property I rent from. (landlord lets me detect whenever, it's awesome.) Original building is from 1788 and these pieces were dug from 6-8 inches. Interestingly I had the detector discriminating iron, and they rung up as two or three different tonal hits.
First question would be if anyone can identify them as they stand. Second question is if there is a solution (maybe a light acid bath?) that I could soak them in to remove any of the caked on rust or metallic "growths". I highly doubt they're worth anything, and I'd rather see what they look like before I decide whether they go on a shelf or in the recycling.

Note: this inquiry doesn't apply to the metal band. Think that one is fairly self explanatory.

 

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[cudamark]

You'll probably have to do some more cleanup before anyone can I.D. them. The inexpensive way is to soak them in vinegar or use electrolysis. More expensive, but, quicker and more effective, is to use Evaporust, naval jelly, or something equivalent. You can also look in the "cleaning and preserving your finds" section here on Tnet for more ideas.

 

[fowledup]

Blades or cutters for a flail mower

 

[Sandskimmer]

Thanks for the tip. I actually built an electrolysis setup last night. Slow going with a 12V power source, but once I clean them up I'll post better pictures.

 

[Sandskimmer]

Blades or cutters for a flail mower

I think it's some form of a farm implement. I have no clue on the one. The long piece looks like the tooth of a older style plow or ground breaker. Although that's just based off of its scooped shape, obviously no curve to it